- January 19: Martin Luther King Jr. Day
- February 14-16: Presidents Day weekend
- April 18-19: Opening weekend of National Park Week
- August 25: National Park Service Birthday
- September 26: National Public Lands Day
- November 11: Veterans Day
For more information or to find a national park, please head here.
Have you taken advantage of free national park days before? What is your favorite national park?